Meta-analysis of the morning excess of acute myocardial infarction and sudden cardiac death

MC Cohen, KM Rohtla, CE Lavery, JE Muller… - American Journal of …, 1997 - ajconline.org
Although acute cardiovascular events occur throughout the day, it has been shown that
acute myocardial infarction (AMI), sudden cardiac death (SCD), silent ischemia, and stroke
have a circadian pattern of occurrence with a peak in the morning hours. 1–6 However, the
proportion of morning events that are in excess of those expected and, more importantly, the
proportion of all events that are attributable to the morning excess in the population at large
remains unknown. We performed a meta-analysis of published reports related to circadian …